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# OAR Box 1413 Prepped by Ollie Stewart



### Document

Number: 

# 24 ) 11-1-2 4
Docket Number: 

# A-94-5 2

Printed 7/9/2008 3:11:21 PM

Sheet 24 of 114P. 2

R-2OM-41 0 63 1 320 2 TO : 91 9 54 1 007 2 SE P 6 . 199 5 4:24P M P.'tfl "

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### MARYLAN D DEPARTMEN T O FTH E ENVIRONMEN T M U K

25 

### ° 0 Broening Highwa y • Baltimore , Marylan

d21224 rawi-MS^i (410)631-300 0 Parri s N
. Olendenin

g Governo r Jan e T
. Nishid

a Secretar y

TO : FROM : M

D AIR& RADIATION MANAGEMEN T ADMINISTRATION 250 0 BROENIN G HIGHWA Y BALTIMOR

E MARYLAN

D 2122 4 y \i W.\ \ PHONE : (410)631-325 5 FAX : (410)631-320 2 

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### NUMBE RO F PAGES INCLUDIN G COVE RSHEET : b f* 7 ? 3 SUBJECT . 

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TO D FO R TH E DEA F (410 ) 611-300 9 

### 'Together We Can Clean Up' nocvcie d P*oe iP. 3

FROM:41 0 63 1 320 2 TO : 91 9 54 1 007 2 SE P 6 . 199 5 4:24P M P.0 2 

# MDE 

# "Pacta, /46<Mt...
Marylan d Departmen t Environmen t 

# CONTRO L O F VO C EMISSION S FRO M

REINFORCED PLASTI C MANUFACTURIN G

COMA R26.11.19.X X
Wha ti s th e primar y purpos e o f thi s regulation ? Th e purpose o f

this regulatio

n i s t o establish Reasonably Availabl e Control Technolog y (RACT ) fo r reinforce d plasti c (fiberglass ) manufacturin g operations . Th e amende d Clean AirAc tan

d COMA R 26.11.19.02 G requir

e unregulate

d majo rsource s o f

volatil e organi c compound s (VOC) , state-wide , t o b e subjec

tt o reasonabl e control requirements . Fiberglas s manufacturin g i s currently no t specificall y regulated . Thi s regulation wa s develope d i n cooperatio n with a fiberglass workgrou p consistin g o f

affected sources , trade associations , an d materia l suppliers . Wh o i s affecte d b y thi s regulation ? This regulatio

n wil l appl y t o bot h majo ran d non-majorfiberglas s operations . Fiberglas s operation s involve th e applicatio

n o f polyeste rresins , fiberglass, an d a solvent , usuall y styrene , o n t o a for m o r mol d t o produc e a shape . Majo rsource s fabricat

e products suc

h a s undergroun

d gasolin e storag e tank s an d boats . Non-majo rsource s fabricat e smal l component

s suc h a s pip e fittings o rperfor m repair s suc h a s boa trepair . Th e Departmen

thas identified on e majo

rVO C source , on e non-majo r bu tgreate rtha

n 2 5 to n peryearsource , an d numerous smal

l source s tha

twil l b e subjectt o thi s regulation . Wha ti s th e sourc e o f

emissions ? Styrene , a VOC , i s evaporated durin g th e resin application operations . Th e amoun to f emission s i s directl y proportiona

l t o th e siz e ofth e facilit

y an d th e tota l volum e o f

resin used . Acetone , no w a n exemp tVOC , i s th e primar y solventuse d t o clean equipmen tan d tools , althoug

h th e industr

y ha s increasingl y use d a les s hazardous non-VO C substitute . Th e larges tproductfabricato rha d 199 0 emission s o f

40 5 pound s pe rda

y o f styrene (an

d 2 8 pound s perda

y o f acetone) . A typica

l smal l sourc e ha s styren e emission s o f 3 2 pound s perda

y (an d 1 8 pound s perda

y o f acetone) . Smal

l source s wit

h VO C emission s les s tha n 2 0 pound s pe rda

y ar e no tsubjec

tt o an y requirements . Wha tdoe s th e regulatio n require ? Th e regulatio n wil l requir e th e styrene contento f

genera l polyeste rformulations t o no texcee d 3 5 percen tan

d th e styrene contentfo rspecialt y resins t o no texcee d 5 0 percent. Furthermore , th e regulatio n wil l requir

e th e us e of a non-VO C solven tfo ral l clean-up operations . Fo rsource s with emission s greate rtha

n 10 0 pound s a day , th e regulatio n fiirther requires th e us e o f high transfe r efficiency gun s such a s hig h volum e lo w pressur

e (HVLP ) spra

y guns . HVL P spra

y gun s ca

n significantly reduce resin use , thu s reducing th e amoun to f styrene emissions . A s a general rule ,P. 4

FROM:41 0 63 1 320 2 TO : 91 9 54 1 007 2 SE P 6 . 199 5 4:25P M P . 0 3 contro l device s hav e no tprove n t o b e cos teffectiv e becaus e th e final product s ar e manufacture

d i n larg e ope n room s o rbuilding s with hig h airflow . Wha tar e expecte d emissions reductions ? Th e estimate d 199 0 state-wid e VO C emission s fro m al l source s i n th e category wa s 10 9 ton s pe r year . Ther

e wil l b e a combined estimate d reduction o f 3 3 ton s pe ryea rfro

m affected sources .
Wha ti s th e economi c impac to n affecte d sources ? Reducing the amoun

to f styren e m formulation

s wil l have littl e effec

to n th e cos tofth e final products . Th e cos to f

a n HVLP spra

y gun range

s from $60 0 t o S900 , however , there i s a rapi d pa y offbecaus e th e improve

d transfe refficiency reduce s th e amoun to f materia l use d b y 35-4 0 percent. Therefore , th e overall anticipate

d impac to n th e effecte d industr

y i s a n eventua l cos tsavings . Wha tar c th e additiona l benefit s o f this regulation ? Slyrene emission

s will b e reduced becaus e ofth e reformulations an d highertransfe

refficienc y spra y guns . Styrene i s a Clas s II Toxi c Ai rPollutant(TAP ) an d suspec tcarcinogen . Aceton e emission s ma y b e significantl

y reduced i f

th e industr

y continue s t o us e substitut e clean-up material . Acetone i s als o a Clas s II TAP . Therefore , depending upo n th e clean u p solven tused , ther e ma y b e a significan treductio n i n TAP s from bot h styrene an

d aceton e emissions . Ar e ther e othe rstat e o rfedera l regulation s tha tappl y to thi s sourc e category ? EP A ha s no tpublishe

d an y regulation s forfiberglass operations ; no rare there an y pending MAC T proposals . Californi

a i s on e o f

th e fe w states regulatin

g this industry. Som e portions o f thi s propose d regulatio n ar

e simila rt o th e Califomi a rule . EP A recentl y place d aceton e o n th e lis to f exempte d VOCs . Th e Departmen

ti s currentl

y in th e proces s o f

exemptin g aceton e a s a VOC .

F:\SC I IMITZ\F1BKRG\F_BER.SU M July 12,199 5FROfl:4i 0 63 1 320 2 P. 5 TO : 91 9 54 1 007 2 SE P 6 . 199 5 4:26P M P.0 4



### DRAF T - D o no t cit e o r quot e

Jul y13 , 199 5 COMA R 26.11.19.X

X Contro l o f Volatil e Organi c Compound Emission s fro m Reinforce d Plasti c Manufacturing. , A . Definitions
. Fo r th e purpos e o f thi s regulation , th e followin g term s hav e th e meaning s indicated : (1 ) "Clean-u

p material " mean s an ymateria l use d i n reinforce d plasti c manufacturin g t o clea n parts / 

### tools , eguipment , an d wor k areas . (2 ) "Lo w styren e resin " mean s a polyeste r resi n tha t ha s a monome r conten t o f 3 5 percen t o r les s b y weigh t a s applied
. (3 ) "Monomer " mean s a lo w molecula r weigh t organi c compoun d tha t react s wit h itsel f o r othe r simila r compound s t o produc e a polyeste r resin
. (4 ) "Polyeste r resin " (resin ) mean s a mixtur e o f tru e ester s dissolve d i n a polymeriaabl e monome r suc h a s styrene . (5 ) "Reinforce d plasti c manufacturing " mean s th e curin g o f polyeste r resin s wit h fiberglass , iner t fillers , o r othe r reinforcemen t materials
. (6 ) "Specialt yresin " mean s a polyeste r resi n use d i n specia l application s involvin g hig h strength , corrosio n resistance , fir e resistance , o r ge l coat . (7 ) "Tooling " mean s th e productio n o f moldin g tool s suc h a s shapes , matrixes , molds , o r othe r instrument s an

d utensil s tha t ar e use d durin g reinforce d plasti c manufacturing
. (8 ) "Touch-u

p an d repair " mean s smal l quantit yus e o f polyeste r resi n t o repai r mino r surfac e damag e o r imperfections , wher e th e tota l polyeste r resi n use d i s les s tha n on e percen t o f th e tota l quarterl ypolyeste r resi n use d a s reporte d i n §E(l)o f thi s regulation
. B . Applicabilit yan d Effectiv e Date . P:\Schmitz\Fiberg\Fiber.re gP. 6

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### DRAF T - D o no t cit e o r quot e

Jul y 13 , 199 5 (1 ) Thi s regulatio n applie s t o reinforced plasti c manufacturin

g a t a premise s wher e th e tota l actua l VO C emission s fro

m al l reinforced plasti c manufacturin

g includin

g tooling , touch-u p an d repai r i s 2 0 pound s o r mor e pe r day . (2 ) Th e requirement s i n thi s regulatio n do no t appl y t o polyeste r resin s use d for toolin

g o r touch-u

p an d repair . C . Requirements . (1 ) Excep t a s provided i n §C(3 ) o f thi s regulation , a perso n subjec t t o thi s regulation wit hactua l VO C emission s o f 2 0 pound s o r mor e pe r da y bu t les s tha n 10 0 pound s pe r da y shal l us e lo

w styren e resins . (2 ) Excep t a s provided i n $C(3 ) o f thi s regulation , a perso n subjec t t o thi s regulatio n wit hactua l VO C emission s o f 10 0 pound s o r mor e pe r da y shall : (a ) Us e lo

w styrene resins ; an d (b ) Us e an improve d applicatio

n method suc has : (i ) a n airles s o r air-assisted airles s spra y gun ; (ii ) a lo

w pressur e nozzle ; (iii) a pressur e fe

d rolle r o r flo

w coater ; o r (iv ) som

e othe r non-atomized resi n application technique . (3 ) A person subjec t t o thi s regulatio n who use s a specialty

resi n ma

y no t us e a specialt y resi n wit h a monome r conten t exceedin g 5 0 percen t b

y weigh t a s applied . (4 ) A perso n subjec t t o thi s regulation shal l us e non VO C clean-u

p materials .

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### DRAF T - D o no tcit e o rquot e

Jul y 13 , 199 5 D . Recordkeeping .

(1 ) A perso n subjec t t o thi s regulatio n shal l maintai n record s tha t provide th e followin

g information : (a ) A descriptio

n o f eac hpolyeste r resi n materia l used ; an

d (b ) The tota l weigh t an d VO C conten t o f eac h polyeste r resi n materia l used quarterly . (2 ) Record s shal l b e maintained fo r no t les s than thre e year s an

d mad e availabl e t o the Departmen t upo n request .

F:\Schmitz\Fiberg\Fiber.re g